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Fix for working with symlinks in tar files

This commit is contained in:
Bill Hoffman 2009-11-08 19:59:01 -05:00
parent 739d692e72
commit 79b8d61ae9
1 changed files with 29 additions and 29 deletions
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58
Source/cmSystemTools.cxx
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@ -1801,43 +1801,43 @@ bool cmSystemTools::CreateTar(const char* outFileName,
}
// Set the name of the entry to the file name
archive_entry_set_pathname(entry, rp.c_str());
struct stat s;
stat(fileIt->c_str(), &s);
archive_read_disk_entry_from_file(disk, entry, -1, &s);
archive_read_disk_entry_from_file(disk, entry, -1, 0);
CHECK_ARCHIVE_ERROR(res, "read disk entry:");
// write entry header
res = archive_write_header(a, entry);
CHECK_ARCHIVE_ERROR(res, "write header: ");
// now copy contents of file into archive a
FILE* file = fopen(fileIt->c_str(), "rb");
if(!file)
if(archive_entry_size(entry) > 0)
{
cmSystemTools::Error("Problem with fopen(): ",
fileIt->c_str());
return false;
}
char buff[16384];
size_t len = fread(buff, 1, sizeof(buff), file);
while (len > 0)
{
size_t wlen = archive_write_data(a, buff, len);
if(wlen != len)
{
cmOStringStream error;
error << "Problem with archive_write_data\n"
<< "Tried to write [" << len << "] bytes.\n"
<< "archive_write_data wrote [" << wlen << "] bytes.\n";
cmSystemTools::Error(error.str().c_str(),
archive_error_string(a)
);
return false;
// now copy contents of file into archive a
FILE* file = fopen(fileIt->c_str(), "rb");
if(!file)
{
cmSystemTools::Error("Problem with fopen(): ",
fileIt->c_str());
return false;
}
len = fread(buff, 1, sizeof(buff), file);
char buff[16384];
size_t len = fread(buff, 1, sizeof(buff), file);
while (len > 0)
{
size_t wlen = archive_write_data(a, buff, len);
if(wlen != len)
{
cmOStringStream error;
error << "Problem with archive_write_data\n"
<< "Tried to write [" << len << "] bytes.\n"
<< "archive_write_data wrote [" << wlen << "] bytes.\n";
cmSystemTools::Error(error.str().c_str(),
archive_error_string(a)
);
return false;
}
len = fread(buff, 1, sizeof(buff), file);
}
// close the file and free the entry
fclose(file);
}
// close the file and free the entry
fclose(file);
archive_entry_free(entry);
}
// close the archive and finish the write